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近年来由于苹果、梨等栽培经济效益下降，李在北方栽培面积不断扩大，因其具有早果、早丰、好栽、易管抗南方品种冲击的优点。但寒地晚熟优良品种不多，绥李３号在大部地区裂果严重，九台晚李果个小且丰产性差些，龙园秋李抗寒性与品质又不尽人意，我们用（血肉×绥李３号）×
In recent years, because of the economic benefits of cultivation of apples and pears, the cultivation area of Li in the north has been continuously expanding. Because of its advantages of early fruit, early abundance, good planting and easy-to-be-managed anti-southern variety impact. However, there are not many fine varieties of late maturing in the cold area. In most areas, Sui Li No.3 cracked seriously, and there was a small and poor yield in the late Liutai of Jiutai. The cold resistance and quality of the autumn lotus leaf were unsatisfactory. Lee 3) ×